Features- Bluetooth 4&period;0&comma; high fidelity sound quality&period;- Compatible with Bluetooth enabled devices&comma; such as for iPhone&comma; iPad&comma; HTC&comma; Lenovo&comma; Samsung&comma; Tablet PC&comma; etc&period;- Supplied with a 3&period;5mm cable that you can use to connect the headphone to devices without Bluetooth&period;- Allow you to power on&sol;off&comma; answer&sol;hang up&sol;reject&sol;redial call&comma; pause and play&comma; vol&plus;&sol;-&comma; next&sol;previous track&period;- Support multi-point connection&comma; can connect two Bluetooth devices at the same time&period;- Build-in rechargeable li-battery&comma; can be charged via USB cable&period;- Good quality and fashionable appearance&comma; adjustable length hinges and very comfortable to wear&period;- Foldable headphone&comma; easy to carry&period;- Support battery checking&colon; - Continuous short press the battery status button twice&comma; battery status LED will light&period;- Only light a LED lamp&comma; which means that the remaining 25&percnt; of electricity&semi; bright two LED lights&comma; the remaining 50&percnt; of electricity&semi; three LED lights&comma; the remaining 75&percnt;&semi; 4 LED lights all light&comma; which means that 100&percnt; of full power&period;- A good choice for listening music&comma; watching movie&comma; chatting online&comma; etc&period;